9 R e f e r e n c i a s o b s t é t r i c a s
Relación DTC/CA, Meyer
Meyer WJ, Gauthier DW, Goldenberg B, Santolaya J, Sipos J, Cattledge F. "The Fetal Transverse Cerebellar
Diameter/Abdominal Circumference Ratio: A Gestational Age-Independent Method of Assessing Fetal Size."
Ultrasound in Medicine
12:379, 1993.
Relación DTC/CA: DTC/CA * 100
Media de la norma = (media de DTC)/(media de CA) * 100
Campo normal: 12.50 ≦ ( DTC/CA * 100) ≦ 14.86
Sem. Dia
5%
Media
95%
Sem. Dia
14 0
12.5
13.7
14.9
19 5
14 1
12.5
13.7
14.9
19 6
14 2
12.5
13.7
14.9
20 0
14 3
12.5
13.7
14.9
20 1
14 4
12.5
13.7
14.9
20 2
14 5
12.5
13.7
14.9
20 3
14 6
12.5
13.7
14.9
20 4
15 0
12.5
13.7
14.9
20 5
15 1
12.5
13.7
14.9
20 6
15 2
12.5
13.7
14.9
21 0
15 3
12.5
13.7
14.9
21 1
15 4
12.5
13.7
14.9
21 2
15 5
12.5
13.7
14.9
21 3
15 6
12.5
13.7
14.9
21 4
16 0
12.5
13.7
14.9
21 5
16 1
12.5
13.7
14.9
21 6
16 2
12.5
13.7
14.9
22 0
16 3
12.5
13.7
14.9
22 1
16 4
12.5
13.7
14.9
22 2
16 5
12.5
13.7
14.9
22 3
16 6
12.5
13.7
14.9
22 4
17 0
12.5
13.7
14.9
22 5
17 1
12.5
13.7
14.9
22 6
17 2
12.5
13.7
14.9
23 0
17 3
12.5
13.7
14.9
23 1
17 4
12.5
13.7
14.9
23 2
17 5
12.5
13.7
14.9
23 3
17 6
12.5
13.7
14.9
23 4
18 0
12.5
13.7
14.9
23 5
18 1
12.5
13.7
14.9
23 6
18 2
12.5
13.7
14.9
24 0
18 3
12.5
13.7
14.9
24 1
18 4
12.5
13.7
14.9
24 2
18 5
12.5
13.7
14.9
24 3
18 6
12.5
13.7
14.9
24 4
19 0
12.5
13.7
14.9
24 5
19 1
12.5
13.7
14.9
24 6
19 2
12.5
13.7
14.9
25 0
19 3
12.5
13.7
14.9
25 1
19 4
12.5
13.7
14.9
25 2
Otros cálculos
DBP corregido, Doubliet
Doubliet PM, Greenes RA. "Improved Prediction of Gestational Age from Fetal Head Measurements."
Roentgenology.
142:797, 1984.
DBP corregido = (DBP * DOF/1,265)
Campo válido: 13-41 semanas
9 - 6 0
5%
Media
95%
Sem. Dia
5%
Media
12.5
13.7
14.9
25 3
12.5
12.5
13.7
14.9
25 4
12.5
12.5
13.7
14.9
25 5
12.5
12.5
13.7
14.9
25 6
12.5
12.5
13.7
14.9
26 0
12.5
12.5
13.7
14.9
26 1
12.5
12.5
13.7
14.9
26 2
12.5
12.5
13.7
14.9
26 3
12.5
12.5
13.7
14.9
26 4
12.5
12.5
13.7
14.9
26 5
12.5
12.5
13.7
14.9
26 6
12.5
12.5
13.7
14.9
27 0
12.5
12.5
13.7
14.9
27 1
12.5
12.5
13.7
14.9
27 2
12.5
12.5
13.7
14.9
27 3
12.5
12.5
13.7
14.9
27 4
12.5
12.5
13.7
14.9
27 5
12.5
12.5
13.7
14.9
27 6
12.5
12.5
13.7
14.9
28 0
12.5
12.5
13.7
14.9
28 1
12.5
12.5
13.7
14.9
28 2
12.5
12.5
13.7
14.9
28 3
12.5
12.5
13.7
14.9
28 4
12.5
12.5
13.7
14.9
28 5
12.5
12.5
13.7
14.9
28 6
12.5
12.5
13.7
14.9
29 0
12.5
12.5
13.7
14.9
29 1
12.5
12.5
13.7
14.9
29 2
12.5
12.5
13.7
14.9
29 3
12.5
12.5
13.7
14.9
29 4
12.5
12.5
13.7
14.9
29 5
12.5
12.5
13.7
14.9
29 6
12.5
12.5
13.7
14.9
30 0
12.5
12.5
13.7
14.9
30 1
12.5
12.5
13.7
14.9
30 2
12.5
12.5
13.7
14.9
30 3
12.5
12.5
13.7
14.9
30 4
12.5
12.5
13.7
14.9
30 5
12.5
12.5
13.7
14.9
30 6
12.5
12.5
13.7
14.9
31 0
12.5
½
95%
Sem. Dia
5%
Media
95%
13.7
14.9
31 1
12.5
13.7
13.7
14.9
31 2
12.5
13.7
13.7
14.9
31 3
12.5
13.7
13.7
14.9
31 4
12.5
13.7
13.7
14.9
31 5
12.5
13.7
13.7
14.9
31 6
12.5
13.7
13.7
14.9
32 0
12.5
13.7
13.7
14.9
32 1
12.5
13.7
13.7
14.9
32 2
12.5
13.7
13.7
14.9
32 3
12.5
13.7
13.7
14.9
32 4
12.5
13.7
13.7
14.9
32 5
12.5
13.7
13.7
14.9
32 6
12.5
13.7
13.7
14.9
33 0
12.5
13.7
13.7
14.9
33 1
12.5
13.7
13.7
14.9
33 2
12.5
13.7
13.7
14.9
33 3
12.5
13.7
13.7
14.9
33 4
12.5
13.7
13.7
14.9
33 5
12.5
13.7
13.7
14.9
33 6
12.5
13.7
13.7
14.9
34 0
12.5
13.7
13.7
14.9
34 1
12.5
13.7
13.7
14.9
34 2
12.5
13.7
13.7
14.9
34 3
12.5
13.7
13.7
14.9
34 4
12.5
13.7
13.7
14.9
34 5
12.5
13.7
13.7
14.9
34 6
12.5
13.7
13.7
14.9
35 0
12.5
13.7
13.7
14.9
35 1
12.5
13.7
13.7
14.9
35 2
12.5
13.7
13.7
14.9
35 3
12.5
13.7
13.7
14.9
35 4
12.5
13.7
13.7
14.9
35 5
12.5
13.7
13.7
14.9
35 6
12.5
13.7
13.7
14.9
36 0
12.5
13.7
13.7
14.9
36 1
12.5
13.7
13.7
14.9
36 2
12.5
13.7
13.7
14.9
36 3
12.5
13.7
13.7
14.9
36 4
12.5
13.7
13.7
14.9
36 5
12.5
13.7
R E F E R E N C I A
Journal of
Sem. Dia
5%
Media
95%
14.9
36 6
12.5
13.7
14.9
14.9
37 0
12.5
13.7
14.9
14.9
37 1
12.5
13.7
14.9
14.9
37 2
12.5
13.7
14.9
14.9
37 3
12.5
13.7
14.9
14.9
37 4
12.5
13.7
14.9
14.9
37 5
12.5
13.7
14.9
14.9
37 6
12.5
13.7
14.9
14.9
38 0
12.5
13.7
14.9
14.9
38 1
12.5
13.7
14.9
14.9
38 2
12.5
13.7
14.9
14.9
38 3
12.5
13.7
14.9
14.9
38 4
12.5
13.7
14.9
14.9
38 5
12.5
13.7
14.9
14.9
38 6
12.5
13.7
14.9
14.9
39 0
12.5
13.7
14.9
14.9
39 1
12.5
13.7
14.9
14.9
39 2
12.5
13.7
14.9
14.9
39 3
12.5
13.7
14.9
14.9
39 4
12.5
13.7
14.9
14.9
39 5
12.5
13.7
14.9
14.9
39 6
12.5
13.7
14.9
14.9
40 0
12.5
13.7
14.9
14.9
40 1
12.5
13.7
14.9
14.9
40 2
12.5
13.7
14.9
14.9
40 3
12.5
13.7
14.9
14.9
40 4
12.5
13.7
14.9
14.9
40 5
12.5
13.7
14.9
14.9
40 6
12.5
13.7
14.9
14.9
41 0
12.5
13.7
14.9
14.9
41 1
12.5
13.7
14.9
14.9
41 2
12.5
13.7
14.9
14.9
41 3
12.5
13.7
14.9
14.9
41 4
12.5
13.7
14.9
14.9
41 5
12.5
13.7
14.9
14.9
41 6
12.5
13.7
14.9
14.9
42 0
12.5
13.7
14.9
14.9
14.9
14.9
American Journal of
D E L
S I S T E M A